ith anemone--Action of stimuli on
nerve-tissue--Reflection--Origin of consciousness--Time element in
consciousness--Conscious determination in _Stentor polymorphus_--In
_Actinophrys_--In _Amoeba_--In _Medusa_--In a water-louse--In a garden
snail--In the angle-worm--In oysters--In a ground wasp. 39

CHAPTER III

MEMORY

Discussed under four heads, viz. _Memory of Locality_ (_Surroundings_),
_Memory of Friends_ (_Kin_), _Memory of Strangers_ (_Other animals not
kin_), and _Memory of Events_ (_Education_, _Happenings_, etc.)--Memory
of locality in _Actinophrys_--In the snail--In the ant--In sand
wasps--In beetles--In reptiles--_Memory of Friends_--In ants
--Experiments with ants, _Lasius flavus_, _Lasius niger_, and
_Myrmica ruginodis_--Memory of kin in wasps and bees--Experiments
--_Memory of Strangers_ (_Animals other than kin_)--Recognition of
enemies--By bumblebees--Memory of individuals not enemies--By the
toad--By the spider--By ants--By snakes--By chameleons--By birds
--By cattle--By dogs--By monkeys--_Memory of Events_ (_Education_, etc.)
--In the wasp--In fleas--In the toad--In other insects. 60

CHAPTER IV

THE EMOTIONS

The higher animals--Laughter--In monkeys--In the dog--In the chimpanzee
--In the orang-utan--Fear, dismay, consternation, grief, fortitude,
joy shown by bees--Affection for the individual evinced by house wren
--Anger, hate, fear, revenge, in the higher animals--Forgiving
disposition in the monkey--Sympathy--In ants--Care of young by ants
--Solicitude of butterflies--Of gadfly--Of the ichneumon fly--Of the
mason wasp--Of the spider--Of the earwig--Anger and hate evinced by
ants, centipedes, tarantulas, weevils. 88

CHAPTER V

AESTHETICISM

The love of music--In spiders--In quail--In dogs--Origin of love of
music in the dog--Dog's knowledge of the echo--Love of music in rats
--In mice--Singing mice--Love of music in lizards--In salamanders--In
snakes--In pigeons--In the barnyard cock--In the horse--Amusement and
pastime--In _Actinophrys_--In the snail--In _Diptera_--In ants--In
lady-bugs (_Coccinellae_)--AEsthetic taste in birds--The snakeskin
bird--Humming-bird--Bower bird--The love of personal cleanliness--In
birds--In insects--In the locust. 107

CHAPTER VI

PARENTAL AFFECTION

Origin of parental feeling--Evidence of